US2013295031A1PendingUtilityA1

Cosmetic composition and process for curling keratin fibres

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Assignee: KERGOSIEN GUILLAUMEPriority: Nov 5, 2010Filed: Oct 27, 2011Published: Nov 7, 2013
Est. expiryNov 5, 2030(~4.3 yrs left)· nominal 20-yr term from priority
Inventors:Guillaume KergosienAlexandra SchventNathalie Martin
A61K 8/8152A61K 8/31A61Q 1/10A61Q 5/00A61Q 5/06
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Claims

Abstract

The present invention relates to a cosmetic composition for coating keratin fibres, and especially the eyelashes, comprising: a polymer, derived from the (co-) (homo-)polymerization of (poly)cyclic monomers with a glass transition temperature (Tg) of greater than or equal to 80° C. and a weight-average molecular mass (Mw) of greater than 80 000 g/mol, the said (poly)cyclic monomers comprising (meth)acrylate monomers of formula H 2 C═C(R)—C(O)—O—X, with R=H or CH 3 , and X corresponding to at least one substituted or unsubstituted cycloalkyl group, a volatile organic solvent present in a content strictly greater than 20%. The present invention also relates to a process for curling keratin fibres.

Claims

exact text as granted — not AI-modified
1 . A cosmetic composition for coating keratin fibres, comprising:
 a polymer, derived from a (co-) or (homo-)polymerization of (poly)cyclic monomers, and   a volatile organic solvent in a content of greater than 20% by weight relative to a total weight of the cosmetic composition,   wherein:   the polymer has a glass transition temperature Tg of greater than or equal to 80° C. and a weight-average molecular mass Mw of greater than 80 000 g/mol; and   the (poly)cyclic monomers comprise (meth)acrylate monomers of formula H 2 C═C(R)—C(O)—O—X, wherein
 R represents H or CH 3 , and 
 X represents at least one substituted or unsubstituted cycloalkyl group. 
   
     
     
         2 . The cosmetic composition according to  claim 1 , wherein the polymer is sterically hindered. 
     
     
         3 . The cosmetic composition according to  claim 1 , wherein the at least one cycloalkyl group X of the (poly)cyclic monomers is substituted with at least one hydrocarbon-based group. 
     
     
         4 . The cosmetic composition according to  claim 3 , wherein the at least one hydrocarbon-based group comprises from 1 to 6 carbon atoms. 
     
     
         5 . The cosmetic composition according to  claim 1 , wherein the at least one cycloalkyl group X of the (poly)cyclic monomers is selected from the group consisting of an isobornyl, a dicyclopentyl, a dicyclopentenyl, an adamantyl, and a cyclohexyl. 
     
     
         6 . The cosmetic composition according to  claim 1 , wherein the at least one cycloalkyl group X of the (poly)cyclic monomers is bridged. 
     
     
         7 . The cosmetic composition according to  claim 1 , wherein the at least one cycloalkyl group X of the (poly)cyclic monomers comprises an unsaturation. 
     
     
         8 . The cosmetic composition according to  claim 1 , wherein the polymer has a glass transition temperature Tg of greater than or equal to 100° C. 
     
     
         9 . The cosmetic composition according to  claim 1 , wherein the polymer has a weight-average molecular mass of from 90 000 g/mol to 500 000 g/mol. 
     
     
         10 . The cosmetic composition according to  claim 1 , wherein the polymer is free of hydrophilic monomer. 
     
     
         11 . The cosmetic composition according to  claim 1 , wherein the polymer is soluble in the volatile organic solvent. 
     
     
         12 . The cosmetic composition according to  claim 1 , wherein the polymer is a film-forming polymer. 
     
     
         13 . The cosmetic composition according to  claim 1 , wherein the polymer is amorphous. 
     
     
         14 . The cosmetic composition according to  claim 1 , wherein the polymer is a copolymer of isobornyl acrylate and isobornyl methacrylate. 
     
     
         15 . The cosmetic composition according to  claim 1 , wherein the polymer is in a content of greater than or equal to 20% by weight relative to the total weight of the cosmetic composition. 
     
     
         16 . The cosmetic composition according to  claim 1 , wherein the volatile organic solvent is hydrocarbon-based and comprises from 7 to 16 carbon atoms. 
     
     
         17 . The cosmetic composition according to  claim 1 , wherein the cosmetic composition has a water content of less than or equal to 10% by weight relative to the total weight of the composition. 
     
     
         18 . The cosmetic composition according to  claim 1 , wherein the cosmetic composition is a mascara. 
     
     
         19 . A process for curling keratin fibres, comprising: applying the cosmetic composition according to  claim 1 .

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